Patent · US Expired

Method of obtaining a fiber-containing composite

US4944904A · kind A · utility

57Cited by
16References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 8, 1988
Grant dateJul 31, 1990
Priority date
Expiry dateJul 8, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/30
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Fibrous material is coated with boron nitride and a silicon-wettable material, the coated fibrous material is admixed with an infiltration-promoting material which is at least partly elemental carbon and the mixture is formed into a preform which is infiltrated with a molten solution of boron and silicon producing a composite containing boron nitride coated fibrous material.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.